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Fire assaying involves adding various reagents, which separate the precious metal to be determined from the matrix components of the sample through high-temperature melting. These reagents serve different functions. Some, through chemical reactions a...
Oct.13.25Fire assay furnaces are a traditional metal material testing method used to determine the purity of precious metals such as gold. Their principle is based on the differences in temperature and oxidation resistance between precious metals and other im...
Sep.23.25